Naireku is the a truly outstanding vampire and the reason Crusar came after him was to drain Naireku for his power before after seeing that Naireku has potential unlike any vampire even Crusar himself. Naireku's vampire bite as evolved into something crucial. As his bite can turn you but upon a full draining turn the target into a nightmarish vampire under his command 100%. His full bite doesn't make vampires it make vampire fiend like no other. Naireku has no realized that his body has already gain a great immunity to things he has fought against or been harmed by. He is even far more near being immortal that Crusar. His speed and strength are absolutely menacing either easily out speeding his opponent or out damaging and outlasting them with his great immunity. His blood aura has gained crucial abilities. As the aura itself is very power often killing opponents very easily. Its causes major internal damage and bleeding from the inside just being around it. He also can control blood like Blood Rose without lifting a finder. His teleporting speeds on seem to greatly increase along with his swordsmanship. His darker vampire side allows him to amazing dark control with it. He flies under the radar but he is definitely one of the strongest warriors to fight in this time. As he often trains alone but he trains crucially hard with Crusar. Naireku is definitely the strongest of male vampires to ever exist without argument. A dominate and crucial vampire king is about to be crowned.